External quality assesment

National system for clinical laboratories


Key issuesMain features of the system


Clinical laboratory medical standard and BDS EN ISO/IEC 17043:2010.

Read more


The inclusion of a new participant can be done at any time of the year.

Read more


Information about the Programs and analytes, the periodicity of the measurements.

Read more


Bodies for cooperation in NSVOK are the General Assembly and the Verification Committee

Read more

Schedule Schedule for conducting external control

See measurement dates by month. Click on the highlighted dates to view the type of control material. With the arrows you can see the months and measurement dates to the end of the calendar scheme.

Accreditation ISO 9001:2015

NSVOK is certified according to ISO 9001:2015. The quality management certificate was issued on July 27, 2016 by TUVReinland and last renewed on July 19, 2022 under number 01 100 1620064 The certificate is valid until July 25, 2025.

Software latest generation analytics software

NSVOK uses open source software based on Linux and Joomla. When determining the "assigned value", by means of an agreed value, the "robust average" method in the sense of ISO 13528:2005(E) is applied. The software is maintained by Kontrax.

F.A.Q. Frequently Asked Questions

See answers to the most frequently asked questions. If you want to ask anything else, don't hesitate to contact us

Do I have to participate in external quality control if I do not have a contract with the NHIF?

Yes! The obligation to participate in external quality control derives not from the NRD, but from Ordinance No. 1 of January 31, 2014 for the approval of the medical standard "clinical .

Are there price discounts depending on the type of lab?

When paying a subscription for one year, the participant enjoys a 5% discount from the final price.

Haw can I join?

You can join NSVOK at any time of the year. The first step is to submit an application


Do I need to install software on my computer?

You don't need to install anything. All you need is Internet, e-mail and a browser.


What control materials are used?

Only materials from certified manufacturers with traceability to CRM are used.


Is the certificate recognized by all state institutions?

The certificate is recognized by all institutions and is valid for concluding a contract with the NHIF.


Is there an extra charge?

No! The fee covers all costs - development and maintenance of software, analysis, delivery of control materials, issuance of certificates and everything related to the functioning of NSVOK.

How long is the contract for?

The contract is open-ended, but can be terminated with at least 1 month's notice before the term for which it is paid for.


Does NSVOK offer external control of NE4?

Yes, the HE4 tumor marker has been included in the external quality control of clinical laboratories since August 1, 2022.

Start participate now!

PricesSimple plans for everyone!

NSVOK offers flexible plans to suit the different needs of laboratories. You can choose one of the pre-set plans, but also make your own choice of which Programs to participate in.
63 lv/month
  • 4 Programs
  • Results analysis
  • Certification
89 lv/month
  • 7 Programs
  • Results analysis
  • Certification
147 lv/month
  • 11 Programs
  • Results analysis
  • Certification
185 lv/month
  • 16 Programs
  • Results analysis
  • Certification